JP2004163838A - Display device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a display device configured in such a manner that a plurality of different simple character information are made clearly visible. <P>SOLUTION: A display material 10 configured to a cylindrical shape by display plates 1a, 1b, 2a, and 2b, which are formed by respectively forming character information "ABC" and "XYZ" consisting of minute crack groups on amorphous transparent resin plates and providing the surface of such character information with color bearing layers, is freely rotatably supported at a shaft rod 8 fixed at both ends and the right and left side ends of the display material 10 are installed with light source mechanisms 11 and 12 respectively arranged with light emitting diodes 16 and 17 on the inside surface so as to confront each other. The fine crack groups are made to glitter by intermittently rotating the display material 10, lighting a light source for the light emitting diodes and making the rays thereof incident on the display material from its end of the plate existing in a display state. <P>COPYRIGHT: (C)2004,JPO

Description

[0001]
[Industrial applications]
The present application relates to a display device that is used to sequentially display a plurality of simple information by an intermittent rotation operation and to allow another person to visually recognize the information.
[0002]
[Prior art]
[Patent Document 1]
Conventionally, a display device that has high visibility in day and night and displays different simple information by enabling screen switching generally includes a hollow cylindrical display body including a plurality of display plates, A rotating mechanism that rotates intermittently so that the display panel is switched at a fixed display position, and a fluorescent lamp for illumination built into the display body, and the display panel is easily visible even in daytime. In addition, characters having a band color (the same applies to the following including graphics and symbols) are applied, and at night, the display plate is illuminated with a fluorescent lamp to visually recognize information by characters.
[0003]
Problems to be Solved by the Invention
However, according to the display device having the conventional configuration, the display body has a built-in fluorescent lamp. Therefore, when replacing the fluorescent lamp, it is necessary to remove a part of the device, which requires frequent troubles. In addition, there is a disadvantage that the arrangement of the rotary drive system of the display body is restricted so that a shadow does not appear on the display surface when the fluorescent lamp is turned on.
Further, in order to optically clarify the color tone of the display surface, it is necessary to arrange a plurality of fluorescent lamps having different color tones in accordance with the color tone of the display surface in the display body. In addition, there is a disadvantage that uniform illumination cannot be obtained.
[0004]
By the way, conventionally, an image composed of a group of fine cracks is created on an amorphous transparent resin plate, and a light beam is applied to the image from an oblique direction or, in the case of the plate material, from the end face portion, thereby multiplexing at the crack site. Patent Document 1 discloses a light guide plate that can generate a high-brightness bright image by causing total reflection of light.
In view of the above, an object of the present invention is to eliminate the inconvenience of the conventional one by using a light guide plate in which characters (including figures and symbols including fine cracks) are formed on the above-mentioned amorphous transparent resin plate. .
[0005]
[Means for Solving the Problems]
In order to achieve the above-described object, the present application provides a light guide plate having character (including graphics and symbols) information composed of a group of fine cracks formed on an amorphous transparent resin plate. A display body formed in a tubular shape from a plurality of display boards provided with color layers; a rotating mechanism for intermittently rotating the display body so that the unit display panel switches at a fixed display position; and a side of the display body. And a light source mechanism in which a light source is disposed so as to face an end surface of the display plate positioned in the display state, and light rays from the light source are incident on the end surface of the display plate. And causing the fine cracks to shine.
[0006]
Preferably, the color tone of the banding layer provided corresponding to the character information is made different for each character information, and the light source mechanism is configured by arranging a plurality of light sources having different color tones, and the unit display plate is When located in the display state, a light source having a color tone equal to the color tone of the unit display panel is turned on.
[0007]
Furthermore, the present application provides a display device suitable for displaying two different pieces of information on an amorphous transparent resin plate, on a surface of a light guide plate in which character (including figures and symbols) information including fine cracks is created. A display body formed in a cylindrical shape by four display plates each provided with a banding layer corresponding to the character information, a rotation mechanism for intermittently rotating the display body at 90 ° intervals, and a side of the display body. A light source mechanism in which a light source is disposed so as to face the end surface of the display plate positioned in the display state, and the display body is configured to transmit character information between adjacent display plates. In contrast, the character information is configured to be equal between the opposing display boards, and light rays of a light source opposed thereto are incident on the end face of the display panel located in the display state, thereby shining the fine crack group. Is provided.
[0008]
In the above-described configuration, the color tone of the color band layer of the display panel facing one side of the display body and the color tone of the color band layer of the display panel facing the other side are different, and the light sources arranged in the light source mechanism have different color tones. These light sources are switched so that the color tone of the light source that enters the end face of the display plate located in the display state is equal to the color tone of the color band layer provided on the display plate. The display body is rotatably supported on a shaft rod disposed along the axis of the display body, and includes a rotation mechanism between the display body and the shaft rod in the display body; Still further, the light source arranged in the light source mechanism comprises a plurality of light emitting diodes.
[0009]
BEST MODE FOR CARRYING OUT THE INVENTION
Hereinafter, embodiments of the present application will be described in detail with reference to the drawings. The drawing shows a case where two different pieces of character information are alternately switched, and one piece of information can be visually recognized simultaneously from two opposite directions.
That is, the display body 10 is formed of a cylindrical body having a square cross section by four display boards 1a and 1b and 2a and 2b, and the display boards 1a and 1b each include a character "ABC" as one information, In 2a and 2b, the character "XYZ" is displayed as the other information, and the display is not limited to the character, and may include a graphic, a symbol, and a combination thereof.
[0010]
The display plates 1a, 1b, 2a, and 2b are light guide plates disclosed in Patent Literature 1 in which characters (following, including graphics and symbols) formed of a group of fine cracks are formed on an amorphous transparent resin plate. As shown in FIG. 5, a light guide plate 4 expressing characters “ABC” to “XYZ” from the group of fine cracks 3, and a banding layer 5 corresponding to the characters is provided on the surface of the light guide plate 4. Provided.
The banding layer 5 may be formed by printing or by bonding a color sheet cut in accordance with the characters, and the displayed characters are preferably color-coded for each information. “ABC” is set to red, and “XYZ” is set to blue.
[0011]
As described above, the four display plates 1a, 1b, 2a, and 2b formed of the light guide plate are assembled by the rectangular right and left mounting plates 7 having the ribs 6 at right angles along the four peripheral edges and have a square cross section. The display body 10 is constituted by a cylindrical body.
The display body 10 is rotatably supported by a shaft rod 8 extending along the axis thereof. Both ends of the shaft rod 8 extend laterally through the center holes 9 of the left and right side plates 7, 7. Both ends are fixed via a bearing member 13 to a pair of left and right light source mechanisms 11 and 12 which are installed to face the left and right ends of the display body 10.
[0012]
The light source mechanisms 11 and 12 are provided with a plurality of light emitting diodes (LEDs) 16 to 17 via socket portions 15 provided along the front and rear edges of the inner surface of a square substrate 14 that substantially matches the cross-sectional shape of the display body 10. The light emitting diodes 16 to 17 thus arranged face the end faces of the display plates 1a, 1b to 2a, 2b facing the front and rear of the display body 10.
This example illustrates a case where the display characters “ABC” on one of the opposite display panels 1a and 1b are displayed in red, and the display characters “XYZ” on the other opposite display panels 2a and 2b are displayed in blue. Thereby, the red light emitting diode 16 is used as the light emitting diode provided in one light source mechanism 11, and the blue light emitting diode 17 is used as the light emitting diode provided in the other light source mechanism 12.
[0013]
As described above, the display body 10 rotatably supported by the shaft rod 8 and the pair of left and right light source mechanisms 11 and 12 disposed at the left and right end portions thereof face each other. The light source mechanisms 11 and 12 are housed in a protective cover 20 provided with windows 18 and 19, and the light source mechanisms 11 and 12 are fixed to an inner surface of the protective cover 20 by a support 21. The bearing member 13 also has the protective member. The shaft rod 8 is fixed to the left and right side plates of the cover 20, so that both ends of the shaft rod 8 are fixed to the light source mechanisms 11 and 12 and the protective cover 20.
[0014]
A rotation mechanism 21 for intermittently rotating the display cylinder 10 at every 90 ° is provided between the display cylinder 1 and the shaft rod 8.
The rotation mechanism 21 includes a drive unit 22 provided on the inner surface of one side plate 7 and a rotation transmission mechanism 23 provided between a rotation shaft 22 a of the drive unit 22 and the shaft rod 7. The unit 22 is driven and controlled so that the display body 10 rotates intermittently every 90 ° every time the manual switch 24 provided on the protective cover 20 is operated, and although not shown, the display body 10 rotates 90 °. In each case, a changeover switch for alternately switching between the energizing circuit of one light emitting diode 16 and the energizing circuit of the other light emitting diode 17 is provided at an appropriate position in the protective cover 20.
[0015]
Thus, in the use state, one of the opposing display boards of the display body 10, for example, the display boards 1a and 1b displaying the letters "ABC" as shown in FIGS. It is located at the opposite display windows 18 and 19 and can be visually recognized from the outside.
When the manual switch 24 is switched from this state, the display body 10 rotates 90 ° with respect to the axis rod 8, whereby the display plates 2 a and 2 b displaying the characters “XYZ” are moved forward and backward of the protective cover 20. And the display windows 18 and 19 are opposed to each other and are visible.
[0016]
In the above description, the characters “ABC” displayed on the display plates 1a and 1b are turned red by the band layer 5, and the characters “XYZ” displayed on the display plates 2a and 2b are turned blue by the band layer 5, respectively. Since it is colored, it can be easily visually recognized even in a bright state in the daytime. In addition, in the display state of the display panels 1a and 1b, the red light emitting diode 16 is turned on and the display panels 2a and 2b are turned on. In the display state, the blue light-emitting diode is turned on, and its light beam enters from the end face of the display plate and shines at the position of the fine crack group 3, whereby the displayed character is clearly visible in a raised state. can do.
[0017]
In the above embodiment, as two different pieces of information, one of which is “ABC” and the other is “XYZ”, for example, in the management of a parking lot in a building, one of which is “vacant”, Applicable when providing two pieces of information with the other one being "full" or as information on business, one of which is "open" and the other one is "closed" .
[0018]
Further, in the above-described embodiment, the case where two different pieces of information are simultaneously displayed on the two display windows 18 and 19 facing the front and rear of the protective cover 20 has been exemplified. However, the display windows are provided only on one side of the protective cover 20. When the display body 10 is formed and constituted by four display boards displaying four different character information, four pieces of information can be sequentially displayed by the display window.
[0019]
Further, in the above embodiment, the red light emitting diode 16 is disposed on one light source mechanism 11 to illuminate one of the display panels 1a and 1b in red, and the other display panel 2a and 2b is illuminated in blue. When the blue light emitting diode 17 is arranged on the other light source mechanism 12, the red light emitting diode 16 is turned on when the display boards 1a and 1b are in the display state, and when the display boards 2a and 2b are in the display state. Although the case where the blue light emitting diode 17 is turned on is exemplified, the red light emitting diode 16 and the blue light emitting diode 17 are arranged in the same row, for example, alternately in the light source mechanism 11 and / or 12, respectively, and the one display panel 1a is provided. , 1b, the red light emitting diode 16 may be turned on, and when the other display panels 2a, 2b are displayed, the blue light emitting diode 17 may be turned on. .
[0020]
【The invention's effect】
As described above in detail, according to the present application, since the color band layer is provided on the surface of the display panel corresponding to the information including characters (including figures and symbols), the state where daylight is present Even when the light source is turned on in a dark state, the fine cracks created on the light guide plate shine brightly, and the color tone is added to the display. The information on the board can be clearly recognized.
Furthermore, according to the present application, since the light source mechanism is separated from the display body and installed on the side edge thereof, there is no danger of shadows being generated in the illumination, and repair work of the light source mechanism such as replacement of the light source is also performed. It has the advantage that it can be easily implemented.
[0021]
In particular, according to the second aspect of the present invention, the color tone of the color band layer is different for each different information, so that the information can be easily distinguished visually, and according to the third aspect of the present invention, the color tone of the light source is also different. With the addition, it is possible to easily visually recognize the distinction of different information.
[0022]
According to the fourth aspect of the present invention, the same information can be simultaneously viewed from two opposite directions, which is extremely convenient. In particular, according to the fifth aspect of the present invention, an optical color tone is added. Therefore, high visibility can be obtained.
[0023]
Further, according to the invention of claim 6, since the rotating mechanism is built in the display, it is effective to reduce the size of the device, and according to the invention of claim 7, the light source is a light emitting diode. Therefore, it has advantages such as being durable, capable of expressing many optical colors, and easily giving a light source a blinking function in order to enhance the visual recognition effect.
[Brief description of the drawings]
FIG. 1 is an overall perspective view. FIG. 2 is a front view of a central longitudinal section. FIG. 3 is a side view of a central group. FIG. 4 is a perspective view showing a relationship between a display body and a light source mechanism. Explanation of code]
1a, 1b, 2a, 2b Display plate 3 Group of fine cracks 4 Light guide plate 5 Color band 8 Shaft rod 10 Display body 11, 12 Light source mechanism 16, 17 Light emitting diode 18, 19 Display window 20 Protective cover 21 Rotation mechanism

Claims (7)

A plurality of display plates each having a color band layer corresponding to the character information on the surface of a light guide plate in which character (including figures and symbols) information composed of a group of fine cracks are formed on an amorphous transparent resin plate. Display body, a rotating mechanism that intermittently rotates the display body so that the unit display panel is switched at a fixed display position, and a display mechanism that is installed facing the side end of the display body and is in a display state. A light source mechanism in which a light source is arranged so as to face the end face of the display panel located therein, and light rays from the light source are made to enter from the end face of the display board to shine the fine crack group. Display device. 2. The display device according to claim 1, wherein the color tone of the banding layer provided corresponding to the character information is different for each character information. 3. The light source mechanism according to claim 2, wherein a plurality of light sources having different color tones are arranged, and the light source having a color tone equal to the color tone of the unit display panel is turned on when the unit display panel is in a display state. Display device. Four display plates each having a banding layer corresponding to the character information on the surface of a light guide plate in which character (including figures and symbols) information composed of a group of fine cracks is formed on an amorphous transparent resin plate. And a rotating mechanism for intermittently rotating the display every 90 °, and an end face of a display plate which is installed to face a side end of the display and is positioned in a display state. And a light source mechanism in which a light source is arranged such that the character information is different between adjacent display plates, and the character information is equal between the opposing display plates, and a display positioned in a display state. A display device characterized in that light rays of a light source facing the plate enter from an end surface of the plate to shine the group of fine cracks. The color tone of the color layer of the display panel facing the one side of the display body and the color tone of the color band layer of the display panel facing the other side are different, and the light source arranged in the light source mechanism is formed by a plurality of light sources having different color tones. 5. The method according to claim 4, wherein the plurality of light sources are switched such that the color tone of the light source that enters the end face of the display panel located in the display state is equal to the color tone of the color band layer provided on the display panel. Display device. The display body is rotatably supported on a shaft rod disposed along the axis of the display body, and further comprises a rotation mechanism in the display body between the display body and the shaft rod. The display device according to 3, 4, or 5. 7. The display device according to claim 1, wherein the light source arranged in the light source mechanism comprises a plurality of light emitting diodes.

Images